I will build a high performance web app using nextjs and golang

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Mehedi Hasan

About this gig

Hello!

Are you facing bugs or errors in your ReactJS, NodeJS, Golang or MERN stack application?

No worries I am here to fix them quickly, professionally and with clean code.

I am an experienced MERN Stack Developer skilled in identifying, debugging and resolving both frontend and backend issues. I ensure your website or web application runs smoothly without errors.


I Can Fix:

  • ReactJS bugs and UI issues
  • MERN stack errors
  • NodeJS backend problems
  • API integration issues
  • MongoDB database errors
  • Login / Authentication issues (JWT, sessions, etc.)
  • Console warnings & errors
  • Deployment issues (Vercel, Netlify, Firebase, etc.)
  • Website performance problems


Why Choose Me?

  • Clean, optimized and professional code fix
  • Fast communication and quick response
  • Ontime delivery
  • 100% client satisfaction focused
  • Clear explanation of the issue and solution


If you are unsure which package fits your problem, feel free to message me.

I will guide you to the right option.


Lets fix your bug and make your project run perfectly!

Get to know Mehedi Hasan

Mehedi Hasan

React and MERN Bug Fix Specialist

  • FromBangladesh
  • Member sinceMar 2025
  • Avg. response time1 hour
  • Last delivery3 months
  • Languages

    English, French, Dutch, Spanish
I am a Senior React and MERN Stack Bug Fix Specialist with strong expertise in diagnosing and resolving complex frontend and backend issues. I specialize in fixing API integrations, optimizing web application performance, and delivering clean, scalable, and efficient code. My focus is on fast delivery, reliable solutions, and clear communication to ensure high-quality results for every project.

My Portfolio

Other Software Development Services I Offer